Home / 39,252.06-54,167.58-21,347.02

Finding the Fourth Proportional to 39,252.06, 54,167.58 and 21,347.02

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Solution

The fourth proportional to 39,252.06, 54,167.58 and 21,347.02 is: 29,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.06 : 54,167.58 = 21,347.02 : x
  2. Step 2: Convert to fraction form
    39,252.06/54,167.58 = 21,347.02/x
  3. Step 3: Cross multiply
    39,252.06x = 54,167.58 × 21,347.02
  4. Step 4: Simplify right side
    39,252.06x = 1,156,316,413.61
  5. Step 5: Solve for x
    x = 1,156,316,413.61/39,252.06
  6. Step 6: Final answer
    x = 29,458.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.